Try updating autorelease vendoring

Author: dwhswenson

.github/workflows/autorelease-default-env.sh

@@ -1,4 +1,4 @@
-INSTALL_AUTORELEASE="python -m pip install autorelease==0.2.6"
+INSTALL_AUTORELEASE="python -m pip install autorelease==0.2.3"
 if [ -f autorelease-env.sh ]; then
     source autorelease-env.sh
 fi

.github/workflows/autorelease-prep.yml

@@ -1,3 +1,5 @@
+# File vencdored from Autorelease; specific version information should be in
+# the INSTALL_AUTORELEASE variable in autorelease-default-env.sh
 name: "Autorelease"
 on:
   pull_request:
@@ -51,7 +53,9 @@ jobs:
           python-version: "3.x"
       - run: |  # TODO: move this to an action
           source ./.github/workflows/autorelease-default-env.sh
-          if [ -f "autorelease-env.sh" ]; then
+          if [ -f ".autorelease/test-testpypi.sh" ]; then
+            source ./autorelease/test-testpypi.sh
+          elif [ -f "autorelease-env.sh" ]; then
             cat autorelease-env.sh >> $GITHUB_ENV
           fi
           eval $INSTALL_AUTORELEASE